Pendant or Chain Worn Around the Collarbone

Puzzle 11 of Hot Things Piece of Cake Pack

Question is: Pendant or Chain Worn Around the Collarbone

and the answer is: NECKLACE

Word Meaning:

NECKLACE — (jewelry) An article of jewelry that is worn around the neck, most often made of a string of precious metal, pearls, gems, beads or shells, and sometimes having a pendant attached.

Definitions from Wiktionary.